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Honeywell T7350 Benutzerhandbuch

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T7350 COMMERCIAL PROGRAMMABLE THERMOSTAT
63-2605—5
26
Fig. 19. Typical hookup of T7350B in three-stage heat and two-stage cool heat pump system 
with two transformers.
Fig. 20. Typical hookup of T7350D in three-stage heat and three-stage cool conventional system with one transformer.
POWER SUPPLY.  PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
WHEN INSTALLED ON A SYSTEM WITH TWO TRANSFORMERS, REMOVE THE FACTORY-INSTALLED JUMPER.
USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.
1
M19767A
2
2
3
RC
X
SUBBASE
O/B
G
T7770 REMOTE SENSOR
Y1
W2
Y2
AUX
RH
T5
T6
T7
T4
T3
DISCHARGE
AIR
SENSOR
OUTDOOR
AIR
SENSOR
OS
OS
AS
AS
1
3
L1
(HOT)
L2
1
L1
(HOT)
L2
COMPRESSOR
CONTACTOR 1
COMPRESSOR
CONTACTOR 2
HEATING 
TRANSFORMER
COOLING
TRANSFORMER
CHANGE
OVER
1
2
3
4
5
6
7
8
9
FAN
RELAY
ECONOMIZER
AUX HEAT
STAGE 1
POWER SUPPLY.  PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
ENSURE TRANSFORMER IS SIZED TO HANDLE THE LOAD.
HEAT/COOL SYSTEMS WITH ONE TRANSFORMER REQUIRE THE FACTORY-INSTALLED JUMPER.
USE ECONOMIZER INSTRUCTIONS FOR INSTALLATION DIRECTIONS.
1
M19766A
2
3
2
3
4
RC
X
SUBBASE
W1
G
T7770 REMOTE SENSOR
Y1
W3/Y4 Y3
W2
Y2
AUX
RH
T5
T6
T7
T4
T3
DISCHARGE
AIR
SENSOR
OUTDOOR
AIR
SENSOR
MOTION
SENSOR
HUMIDITY
SENSOR
M
OS
OS
AS
AS
M
HC
HP
HS
1
4
L1
(HOT)
L2
COMPRESSOR
CONTACTOR 1
COMPRESSOR
CONTACTOR 2
HEAT
RELAY 1
1
2
3
4
5
6
7
8
9
FAN
RELAY
ECONOMIZER
HEAT
RELAY 2
COMPRESSOR
CONTACTOR 3
HEAT
RELAY 3